The temperatures in Sandnessjoen in September are usually low and can range between 10°C and 12°C.
You can expect rain for roughly half of the month of September in Sandnessjoen. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Sandnessjoen in September 2026.
If you’re planning to visit Sandnessjoen in the near future, we highly recommend that you review the 14 day weather forecast for Sandnessjoen before you arrive.
Temperatures
12° / 10°
Rainy Days
11
Snowy Days
0
Dry Days
19
Rainfall
194
mm
Sun Hours
7.3
Hrs
